rise into view in a car. they gasp for air and keep low. hear a sparking sound and look over to see. look around -- what to do? tom points. swimming as hard as they can. reach the house. they pull themselves up onto a television antenna. ladder running up the side of the house. karen's feet are still in the water. they heave a huge sigh of relief -- but then tom realizes. karen grabs tom's arm and tom gets a hold of the windowsill and pulls himself up. look away. tom hears an engine approaching. he looks around, then smashes the window with his elbow. look at each other. oh no. karen's going under. tom pushes karen toward the peak of the roof as the bullets plug in around them. tom pushes karen over the top then turns and dives off the roof and into the water. karen is down at the water's edge with her arm extended to tom. tom grabs it, and as karen pulls.